CN102990494B - Small multifunction belt sander - Google Patents
Small multifunction belt sander Download PDFInfo
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- CN102990494B CN102990494B CN201110264597.7A CN201110264597A CN102990494B CN 102990494 B CN102990494 B CN 102990494B CN 201110264597 A CN201110264597 A CN 201110264597A CN 102990494 B CN102990494 B CN 102990494B
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Abstract
The invention discloses a small multifunction belt sander which comprises a sander body portion, a power portion, a roll shaft adjusting mechanism, a workpiece clamping mechanism, a sanding belt tensioning mechanism, a dedusting device and an electrical control system. A roll shaft in the roll shaft adjusting mechanism is arranged at one end of a roll shaft frame through a pair of bearings and a pair of adjusting screw assemblies, and the other end of the roll shaft frame is in a floating connection with a box; an adjusting bolt is arranged at the outer end of the inner side of the roll shaft frame, and the outer end is close to the roll shaft; two locking handles are vertically arranged at intervals, and inner ends of the two locking handles and a semicircle shaft fixed on the inner side of the middle of the roll shaft frame form a thread connection; and a zero line is marked on one side surface of the roll shaft frame to be matched with a vertical ruler on the box to be adjusted for using. According to the small multifunction belt sander, arc-shaped surfaces with various radians and angles can be ground at the end of a round metal tube or a rod in a molding mode, plate type metal workpiece plane can be ground, metal workpiece chamfering deburring processing is performed, the operation is convenient, fast, safe and environment-friendly, the positioning adjustment and grinding accuracies are high, labor intensity is low, working efficiencies are high, and the service life is long.
Description
Technical field
The present invention relates to sbrasive belt grinding equipment technical field, specifically relate to a kind of small-sized multi-functional belt sander.
Background technology
(1) current, the arcwall face of metal circular tube or bar end: be mainly used in the Combination Welding between two pipes or bar; Above-mentioned arcwall face generally adopts milling machine to carry out Milling Process, and thus machining accuracy is low, and operating efficiency is too low, and cost is high.
(2) current, the plane of plate type metal workpiece: adopt surface grinding machine to carry out grinding, thus operating efficiency is too low, and grinding cost is high.
(3) current, the chamfering deburring process of the workpiece such as metal circular tube: by manually processing to emery wheel hands-operation, thus labour intensity greatly, inconvenient operation, dangerous.
In a word, up to the present also do not have one can complete above-mentioned three kinds of processing tasks simultaneously, namely the end form grinding of metal circular tube or bar go out various radian and angle arcwall face, for the plane of grinding plate type metal workpiece and the small-sized multi-functional belt sander of metal works chamfering deburring process.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of small-sized multi-functional belt sander that can overcome above-mentioned deficiency, it can go out the arcwall face of various radian and angle and grinding plate type metal workpiece planarization and metal works chamfering deburring process at the end form grinding of metal circular tube or bar, roll shaft is changed and is adjusted more convenient safety with abrasive band tensioning, Workpiece clamping is high with location Adjustment precision, operating efficiency is high, and labour intensity is low, and grinding accuracy is high, long service life, environmentally-friendly sanitary.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme: a kind of small-sized multi-functional belt sander, comprises body part, power section, roll shaft regulating mechanism, workpiece clamping mechanism, abrasive band tension mechanism, dust arrester and electric control system; Wherein: described workpiece clamping mechanism is arranged on casing one end near roll shaft, described abrasive band tension mechanism is arranged on the side of casing near motor, and the parts in described roll shaft regulating mechanism and power section except motor are all arranged in cabinets cavity; This roll shaft regulating mechanism comprises roller frames, roll shaft, bearing, adjustment screw assembly, two locking hand handles, adjustment bolt and screw rod, lining and Rectangular Springs; Wherein: at the two ends of roll shaft, pair of bearings is installed, this roll shaft adjusts by pair of bearings and a pair one end that screw assembly is arranged on roller frames, the other end of this roller frames is provided with and is connected with casing and as the screw rod of its pivot point, the inner of this screw rod is through after roller frames, be set with lining and Rectangular Spring, and by nut check; Inside the roller frames near roll shaft, outer end is provided with adjustment bolt, and the lower end of this adjustment bolt is threaded in roller frames; Described two locking hands are being between the upper and lower every setting, and its inner formation with half circular shaft being fixed on roller frames inside middle portion is threaded; Zero line is carved with in one side of described roller frames, and the Vertical surveyors' staff scale be provided with casing coordinates to adjust and uses;
Described roller frames one end is] shape, the other end is Γ shape; Roller frames in] one end of shape, be arranged with a pair open trough of opening towards workpiece clamping mechanism, this open trough is horn-like and its bottom land is the arc surface matched with bearing external form, and the lower surface of above-mentioned open trough is provided with perpendicular screwed hole;
Described adjustment screw assembly is made up of supporting screw, spring, steel ball, nut; Wherein: be provided with supporting screw in the screwed hole in roller frames, spring is housed in the endoporus of supporting screw and is locked in the uppermost steel ball of spring, the top of this steel ball protrudes from the lower surface of open trough, and the outer circumference surface nestling up above-mentioned bearing is arranged; After adjustment screw assembly mixes up position, by the height and position of nut locking supporting screw.
Described workpiece clamping mechanism comprises and vertically moves part, transverse shifting part, clamping part and localization part, wherein: be disposed with transverse shifting part, clamping part vertically moving above part, localization part is arranged on the side of clamping part; The described part that vertically moves comprises sliding block, the vertical axis of guide, rotating shaft, limited block, screw, pulls hand handle; Wherein: in sliding block, horizontal alignment is provided with two longitudinal holes, run through in above-mentioned two longitudinal holes and have two vertical axis of guides; Limited block is packed in the bottom of sliding block, and by being connected to screw on limited block and pulling hand and the long slot bore of centre formed to be rotatably assorted be connected, this other end pulling hand handle is formed by rotating shaft and casing and is rotationally connected; During adjustment, rotate and pull hand handle, take rotating shaft as rotating fulcrum, drive limited block, sliding block and the vertical axis of guide to vertically move by screw, realize vertically moving of whole workpiece clamping mechanism; Described transverse shifting part comprises support plate, the horizontal axis of guide, top shoe, latch segment, locking plate, locking hand handle, bolt; Wherein: support plate is fixed on the top of sliding block, on support plate, horizontal alignment is provided with two horizontal axis of guides; The upper and lower periphery of the horizontal axis of guide is sliding combined with top shoe and latch segment; Latch segment below by locking screw mandrel be connected with locking plate, top shoe, latch segment and locking plate three link together by bolt, locking hand being radially connected on locking plate; During adjustment, top shoe along above-mentioned two horizontal axis of guide transverse shiftings, and can drive latch segment transverse shifting together; When arriving the position required, rotation lock hand handle, can make locking plate and latch segment move up, and near top shoe, thus lock above-mentioned latch segment and lock the position of whole transverse shifting part.
Described clamping part comprises locking pliers body disc, fixed caliper, moving caliper, screw, leading screw, turning handle; Wherein: turning handle is arranged on the outer end of leading screw, the two ends of this leading screw are fixed on moving caliper, and position, intermediate portion threaded engagement has screw, and this screw is fixed on locking pliers body disc; Fixed caliper is also fixed on locking pliers body disc; During clamping, rotary motion handle, drives moving caliper to move to the V-block on fixed caliper by leading screw, completes Workpiece clamping; Described localization part comprises backstay, positioning seat, set lever; Wherein: positioning seat is packed in the lateral surface of fixed caliper, backstay is vertically mounted in the centre bore on positioning seat, and set lever is threaded on positioning seat, is convenient to locking positioning bar.
The bottom of described top shoe and the position corresponding with two horizontal axis of guides, be provided with two transversely arranged V-type grooves symmetrically; On the top of latch segment and the position corresponding with two horizontal axis of guides, be provided with two transversely arranged L-type steps symmetrically, the above-mentioned horizontal axis of guide is through in the space formed between V-type groove and L-type step; Be provided with locking plate below described latch segment, be provided with perpendicular screwed hole in the center correspondence of the two, the two links together by matching with above-mentioned perpendicular screwed hole by locking screw mandrel; Top shoe and the latch segment be positioned at below it and locking plate from the top down successively through the center screw on the vertical counterbore on top shoe, locking screw mandrel, thus link together by bolt; Locking hand is threaded being formed with the radial screw bore on locking plate.
Described top shoe is linked together by central shaft with the locking pliers chassis being located thereon face; Locking pliers chassis is provided with deep-slotted chip breaker, and the lower end of screw is fixed on top shoe, and its upper end cover has pad and is pressed on the upper surface of the deep-slotted chip breaker on locking pliers chassis; Top shoe is provided with dial, and the range of degrees of this dial is 30 ° ~ 90 °; When rotating adjustment, locking pliers chassis can top shoe rotate around above-mentioned central axis, realizes the rotation adjustment of clamping part.
Described abrasive band tension mechanism comprises rotating shaft, motor cabinet, screw bolt seat, screw rod, spring, adjustment handwheel, nut, screw fixed axis, screw; Wherein: the outer end of described screw rod is provided with adjustment handwheel, and its inner is set with screw bolt seat, spring, is respectively installed with packing ring at the two ends of screw rod; The two ends of this spring and screw bolt seat are respectively by a nut locking position; Screw bolt seat is radially relatively set with a pair unthreaded hole, and pair of screws the inner is stretched in above-mentioned a pair unthreaded hole, and this to be formed with the ear seat on motor cabinet the outer end of screw and is threaded; Be set with screw in the middle part of screw rod, screw is fixed on casing by screw fixed axis; During tensioning adjustment, rotate adjustment handwheel, be connected with the threaded engagement of screw by screw rod, motor cabinet can be made and be arranged on motor on motor cabinet and the abrasive belt wheel that is arranged on motor shaft around the positive and negative rotation of the rotating shaft be arranged on body, realize the adjustment of the spacing of abrasive belt wheel and roll shaft and the tensioning in abrasive band or loose.
Described power section comprises motor, the abrasive belt wheel be located on motor output shaft, roll shaft away from motor, abrasive band and one end are fixed on optical axis on casing; Wherein: abrasive band is in transmission connection abrasive belt wheel and roll shaft, and the two ends in this abrasive band are wrapped on abrasive belt wheel and roll shaft respectively, and the mid portion in its abrasive band walks around the upper arc surface of above-mentioned optical axis; Described motor is to realize high speed, the rotating forward of low speed, the double-speed motor of reverse function.
Transparent goggle is provided with above the workbench near roll shaft one end; The protective cover that upwards can overturn and open, overturn closedown is downwards being provided with above the workbench of motor one end; Be provided with the upper cover plate that can open and close being in above the middle abrasive band part of level.
Described body part comprises base, pillar, casing, and three fixes as one structure, wherein: pillar is provided with the hanger for placing multiple roll shaft, is provided with baffle plate bottom at hanger; Electric control system is provided with in pillar inner chamber; The side cover plate that can overturn and open, close locking is provided with in the front side of casing.
Described dust arrester comprises the dedusting box be arranged at below tank ends workbench, and this dedusting box is communicated with dust exhaust apparatus by suction port.
Compared with the prior art the present invention, has following beneficial effect:
(1) the present invention has three grinding operating positions, following multiple grinding function can be completed: the end form grinding being mainly used in metal circular tube or bar goes out the arcwall face of various radian and angle, also can be used for the plane of grinding plate type metal workpiece and the chamfering deburring process etc. of metal works.
(2) power section: adopt double-speed motor, can realize high speed, the rotating forward of low speed, reverse function, conversion program is safe and reliable flexibly, easy to operate.
(3) abrasive band tension mechanism: tensioning can be made to adjust accurately convenient, easy installation and removal is quick, and after adjustment, abrasive band elasticity is suitable for, improve abrasive band transmission efficiency, extend abrasive band service life, correspondingly also reduce manufacturing cost, improve grinding quality and grinding accuracy.
(4) roll shaft regulating mechanism: upper-lower height adjustment and the adjustment of left and right offset level can be realized, and there are coarse adjustment, accurate adjustment two kinds of functions, can make abrasive band centering, smooth running, bearing degree of tightness appropriateness, minimizing bearing running hot situation, extend the service life of bearing.In addition, the dismounting, easier for installation quick, safe and reliable in roll shaft, abrasive band; Hanger is placed with the roll shaft of multiple different-diameter as Φ 20mm ~ Φ 76mm, changes the roll shaft of different-diameter, can be used for the arcwall face that form grinding goes out different radian and different angles; And adjust, positioning precision is high, grinding accuracy is high, quality good, and operating efficiency is high.
(5) workpiece clamping mechanism: be mainly used in the location clamping during form grinding arcwall face of the end such as metal circular tube or bar, can carry out laterally according to the length of process metal circular tube or bar and diameter, longitudinal position adjusts; Positive and negative rotation can also be carried out within the scope of 30 ° ~ 90 ° by clamping part, change the grinding angle of metal circular tube or bar end arcwall face, to realize the object going out different angles arcwall face at its end form grinding, and convenient mounting and clamping is safe and efficient, accurately and reliably, location, Adjustment precision is high in clamping.
(6) there is dust suction dedusting function, decrease flour dust overflow, improve working environment, reach the object of environmentally-friendly sanitary.
(7) in a word, the present invention has a tractor serves several purposes, economical and practical, volume is little, lightweight, packaging convenient in carrying, convenient to operation, safe and reliable, hygienic environment-protecting, operating efficiency improves more than 10 times, grinding cost reduces by more than 60%, labour intensity reduces, and grinding accuracy improves, good grinding quality, long service life, the advantages such as low cost of manufacture.
Accompanying drawing explanation
Fig. 1 a is the front view of small-sized multi-functional belt sander of the present invention; Fig. 1 b is the left view of small-sized multi-functional belt sander of the present invention; Fig. 1 c is the top view of small-sized multi-functional belt sander of the present invention;
Fig. 2 a is the top view of roll shaft regulating mechanism; Fig. 2 b is the rearview of roll shaft regulating mechanism; Fig. 2 c is the sectional view of adjustment screw assembly;
Fig. 3 a is the front view of workpiece clamping mechanism; Fig. 3 b is the top view of workpiece clamping mechanism; Fig. 3 c is the left view of workpiece clamping mechanism;
Fig. 4 a is the front view of abrasive band tension mechanism; Fig. 4 b is the top view of abrasive band tension mechanism.
In Fig. 1 a-Fig. 1 c:
100, body part; 101, base; 102, pillar; 1021, hanger; 1022, baffle plate; 103, casing; 1031, workbench; 1032, protective cover; 1033, goggle; 1034, side cover plate; 1035, upper cover plate; 200, power section; 201, motor; 202, abrasive belt wheel; 203, abrasive band; 204, optical axis; 300, roll shaft regulating mechanism; 400, workpiece clamping mechanism; 500, abrasive band tension mechanism; 600, dust arrester; 601, dedusting box; 602, dedusting box; 700, electric control system.
In Fig. 2 a-Fig. 2 c:
301, roller frames; 3011, open trough; 302, bolt is adjusted; 303, bearing; 304, roll shaft; 305, steel ball; 306, supporting screw; 307, spring; 308, Rectangular Spring; 309, screw rod; 310, lining; 311, two locking hand handles; 312, nut; 313, half circular shaft.
In Fig. 3 a-Fig. 3 c:
401, hand handle is pulled; 4011, long slot bore; 402, screw; 403, limited block; 404, rotating shaft; 405, sliding block; 406, the vertical axis of guide; 407, support plate; 408, the horizontal axis of guide; 409, locking pliers chassis; 410, set lever; 411, backstay; 412, positioning seat; 413, fixed caliper; 414, moving caliper; 415, screw; 416, leading screw; 417, top shoe; 4171, dial; 4172, V-type groove; 418, turning handle; 419, screw mandrel is locked; 420, latch segment; 4201, L-type step; 421, hand handle is locked; 422, locking plate; 423, screw; 424, bolt; 425, central shaft.
In Fig. 4 a-Fig. 4 b:
501, rotating shaft; 502, motor cabinet; 5021, ear seat; 503, screw bolt seat; 504, screw rod; 505, spring; 506, handwheel is adjusted; 507, nut; 508, packing ring; 509, screw fixed axis; 510, screw; 511,512, pair of screws.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The principle of abrasive band form grinding is the shape according to workpiece, carries out a kind of form grinding technique of grinding and polishing with the corresponding way of contact with become molding sand roller and the abrasive band of suitable grinding parameter and high-speed motion to surface of the work.
From Fig. 1 a-Fig. 1 c, small-sized multi-functional belt sander of the present invention is primarily of following seven major part compositions: body part 100, power section 200, roll shaft regulating mechanism 300, workpiece clamping mechanism 400, abrasive band tension mechanism 500, dust arrester 600, electrical apparatus control system 700.Below the structure of following part is described in detail respectively:
(1) body part: with reference to Fig. 1 a-Fig. 1 c.
From Fig. 1 a, Fig. 1 b, Fig. 1 c, described body part 100 comprises the base 101, pillar 102, the casing 103 that set gradually from the bottom up, and three fixes as one structure.Wherein: on pillar 102, be provided with the hanger 1021 for placing multiple different size roll shaft 304, being provided with bottom for preventing roll shaft from tumbling baffle plate 1022 on the ground at hanger, this structure is convenient to picking and placeing and replacing of roll shaft.In the inner chamber of pillar 102, electrical apparatus control system 700 is installed.
Be provided with the side cover plate 1034 that can overturn and open and close locking in the front side of casing 103, lower end and the casing of this side cover plate are rotationally connected by hinge, are provided with the lock-screw for preventing movable hinge from deviating from from Fixed hinge in the outer end of movable hinge.Be provided with the semicircle be locked on casing in the upper end of side cover plate and rotate lockset.Opening side cover plate 1034, can see be positioned at casing 103 power section, roll shaft regulating mechanism, be convenient to the operation etc. of abrasive band tensioning and replacing.
Belt sander of the present invention has two workbench and three grinding operating positions altogether, and wherein: two workbench lay respectively at the two ends, left and right of casing 103, and three grinding operating positions lay respectively at middle part and the end positions of casing 103.It acts on respectively:
Near the workbench of motor 201 one end, due to its abrasive band on abrasive belt wheel, thus can be used for the grinding of metal works chamfering, complete the deburring process of chamfering.The protective cover 1032 that upwards can overturn and open and overturn closedown is downwards provided with above above-mentioned workbench; During work, upwards protective cover is opened in upset; Base rotation below above-mentioned workbench can be moved down during carrying, then protective cover 1032 upset downwards can be closed and is fixed on casing 103.
Abrasive band on roll shaft of the workbench 1031 of its other end and workpiece clamping mechanism 400, be used in the arcwall face that metal circular tube or bar end form grinding go out various radian and different angles; The top of this workbench 1031 is provided with transparent goggle 1033.
Operating position in the middle of it is the middle abrasive band part being in level, is mainly used in the flat surface grinding processing of plate type metal workpiece.The upper cover plate 1035 that can open and close is provided with above this operating position.
(2) power section: with reference to Fig. 1 a.
From Fig. 1 a, the parts in described power section 200 except motor 201, are all arranged in cabinets cavity.This power section comprises motor 201, the abrasive belt wheel 202 be located on motor output shaft, roll shaft 304 away from motor, abrasive band 203 and one end are fixed on optical axis 204 on casing 103; Wherein: this abrasive band 203 is for abrasive belt wheel 202 and the roll shaft 304 of being in transmission connection, and the two ends in this abrasive band are wrapped on abrasive belt wheel and roll shaft respectively, and the mid portion in its abrasive band walks around the upper arc surface of above-mentioned optical axis 204.
Described motor 201 adopts double-speed motor, and can realize high speed, the rotating forward of low speed, reverse function, conversion program is safe and reliable flexibly, easy to operate.
(3) roll shaft regulating mechanism: with reference to Fig. 2 a-Fig. 2 c.
From Fig. 2 a, Fig. 2 b, Fig. 2 c, described roll shaft regulating mechanism 300 is arranged in casing 103 inner chamber, this roll shaft regulating mechanism 300 comprise roller frames 301, bearing 303, roll shaft 304, adjustment 302, two, bolt locking hand 311, adjust screw assembly and floating connecting structure; Wherein:
As shown in Figure 2 a, described roller frames 301 is plate armature, and its one end is] shape, the other end is Γ shape.Roller frames 301 in] end symmetric of shape is provided with a pair open trough 3011, the cross section of this open trough be horn-like and opening towards workpiece clamping mechanism 400, its bottom land is the arc surface matched with the bearing external form being arranged on roll shaft 304 two ends.
This roller frames 301 can be monolithic construction, and the rollers that also can be welded on roll shaft plate outer end side by side by roll shaft plate and two forms.
At roll shaft 304 two ends, bearing 303 is installed, this roll shaft 304 by pair of bearings 303 and a pair adjustment screw assembly be longitudinally horizontally set on roller frames 301 in] one end of shape; This roller frames 301 is also for being horizontally disposed with.
As shown in Figure 2 c, described adjustment screw assembly is made up of supporting screw 306, spring 307, steel ball 305, nut 312; Wherein: in a pair open trough 3011 in roller frames 301, be symmetrically arranged with a pair perpendicular screwed hole, supporting screw 306 is installed in above-mentioned screwed hole, spring 307 and the steel ball 305 being locked in spring 307 top is provided with in the endoporus of supporting screw 306, the top of this steel ball protrudes from the lower surface of open trough 3011, and the outer circumference surface nestling up above-mentioned bearing 303 is arranged.After adjustment screw assembly mixes up position, locked the height and position of supporting screw 306 by nut 312.This spring 307 is compression spring.
The combining structure be jointly made up of with adjustment screw assembly the bearing at roll shaft two ends, there are following two large advantages: one is, the roll shaft of required diameter can be easily easily dismantled and install with hand, and the roll shaft of multiple different-diameter is just positioned on the hanger of body, thus make the picking and placeing of roll shaft, change convenient, quick.Two are, can make abrasive band centering, smooth running, and bearing degree of tightness appropriateness, minimizing bearing running hot situation, extend the service life of bearing, reduce manufacturing cost.
As shown in Figure 2 a, described roller frames 301 one end in Γ shape is by forming floating connection between floating connecting structure and casing.Described floating connecting structure is: be provided with at roller frames 301 other end in Γ shape and be connected with casing and as the screw rod 309 of rotating fulcrum, the inner of this screw rod 309 is after passing roller frames 301, it is set with lining 310 and Rectangular Spring 308, and by nut check.Its effect is: the floating connection realizing roller frames and casing, is convenient to the elasticity adjusting roller frames 301.
As shown in Fig. 2 a, Fig. 2 b, inside the roller frames near roll shaft 304, outer end is provided with adjustment bolt 302, and this adjustment bolt is vertically arranged, and its lower end is threaded in roller frames 301, and is arranged with packing ring.Its effect is: for fixedly mixing up the roller frames 301 of position, is convenient to the upper-lower height position adjusting and lock roller frames, thus realizes the Height Adjustment of roll shaft 304.
As shown in Fig. 2 a, Fig. 2 b, described two locking hands form the inner of 311 and are threaded with half circular shaft 313 being fixed on roller frames 301 inside middle portion with welding manner.Two locking hands are between the upper and lower every setting 311, for adjusting the horizontal-shift angle of roller frames 301 and roll shaft 304.Zero line is carved with in a side of roller frames 301, coordinates to adjust with the Vertical surveyors' staff scale on casing and use, realize coarse adjustment and the fine setting of roll shaft centre-height, to adapt to the work pieces process requirement of different-diameter specification.
The course of work of roll shaft regulating mechanism is as follows:
(1) according to the diameter specifications of processing work, the roll shaft of dimension is selected.
(2) according to the workpiece centre be clamped in workpiece clamping mechanism, first by locking hand the left and right horizontal position of adjustment roll shaft, then adjusting the upper-lower height position of roll shaft by adjustment bolt assembly, mixing up rear locking.
(3) adjust the elasticity of the Rectangular Spring on rotating fulcrum place screw rod, adjust rear locking.The adjustment process of whole roll shaft regulating mechanism is completed to this.
(4) abrasive band tension mechanism: with reference to Fig. 4 a-Fig. 4 b.
From Fig. 4 a, Fig. 4 b, described abrasive band tension mechanism 500 is arranged on the side of casing near motor, and in the present embodiment, motor is positioned at the rear side of casing, so abrasive band tension mechanism is also positioned at the rear side of casing.This abrasive band tension mechanism 500 comprise rotating shaft 501, motor cabinet 502, screw bolt seat 503, pair of screws 511,512, screw rod 504, spring 505, packing ring 508, nut 507, screw fixed axis 509, screw 510, adjustment handwheel 506; Wherein:
As shown in Figure 4 b, adjustment handwheel 506 is installed, for being rotationally connected between the ear seat 5021 on the inner of this screw rod 504 and motor cabinet 502 in the outer end of screw rod 504.Concrete rotation connection structure is: be set with screw bolt seat 503, spring 505 in the inner of screw rod 504 and be positioned at two packing rings 508 at screw bolt seat two ends, the two ends of this spring and screw bolt seat and packing ring are respectively by nut 507 latched position.Screw bolt seat 503 is radially relatively set with a pair unthreaded hole, and pair of screws 511,512 the inner is stretched in above-mentioned a pair unthreaded hole, and this to be formed with the ear seat 5021 on motor cabinet 502 outer end of screw and is threaded.This spring 505 is compression spring.
Be set with screw 510 in the middle part of screw rod 504, this screw 510 is fixed on casing by screw fixed axis 509.
Be provided with rotating shaft 501 at the bottom righthand side of motor cabinet 502, the inner of this rotating shaft 501 is fixed on rear side of casing.
The principle of tensioning adjustment is: abrasive band tension mechanism can make motor cabinet 502 501 positive and negative rotations around the shaft, thus change is arranged on the motor on motor cabinet and the relative distance position between the abrasive belt wheel on motor shaft 202 and roll shaft 304, the work elasticity adapting to abrasive band 203 requires and dismantles the required distance in abrasive band.
The course of work of abrasive band tension mechanism is as follows:
During the tensioning of abrasive band, be rotated in a clockwise direction adjustment handwheel, be connected with the threaded engagement of screw by adjustment handwheel and screw rod, motor can be made to extend the spacing with roll shaft along its length, thus reach the object of abrasive band tensioning, be convenient to the normal work in abrasive band.
Otherwise, rotate adjustment handwheel in the counterclockwise direction, be connected with the threaded engagement of screw by adjustment handwheel and screw rod, the spacing of shortening motor and roll shaft can be made, thus reach the object of the loose or tape swapping in abrasive band.
(5) workpiece clamping mechanism: with reference to Fig. 3 a-Fig. 3 c.
From Fig. 3 a, Fig. 3 b, Fig. 3 c, described workpiece clamping mechanism 400 is arranged on casing one end near roll shaft.This workpiece clamping mechanism 400 comprises and vertically moves part, transverse shifting part, clamping part and localization part; Wherein: vertically move part above be disposed with transverse shifting part, clamping part, localization part is arranged on the side of clamping part.Below the structure of above each part is described in detail:
(1) part is vertically moved: with reference to Fig. 3 a.
As shown in Figure 3 a, vertically move described in part comprise pull hand 401, screw 402, limited block 403, rotating shaft 404, sliding block 405, indulge the axis of guide 406; Wherein:
Sliding block 405 is plate armature, in it, horizontal alignment is provided with two longitudinal holes, be respectively arranged with four linings in the rear and front end of longitudinal hole, run through and have two vertical axis of guides 406 in above-mentioned longitudinal hole, this vertical axis of guide can be formed with above-mentioned longitudinal hole and be slidably matched.During adjustment, this vertical axis of guide plays longitudinally guiding effect.Limited block 403 is packed in the bottom of sliding block 405, and be threaded connection screw 402 on limited block and pull hand and the long slot bore 4011 in the middle of 401 formed to be rotatably assorted be connected, this is pulled hand and the other end of 401 is formed by rotating shaft 404 and casing is rotationally connected.
During adjustment, rotate and pull hand 401, with rotating shaft 404 for rotating fulcrum, limited block 403, sliding block 405 and the vertical axis of guide 406 can be driven to vertically move by screw 402, finally realize vertically moving of whole workpiece clamping mechanism.
(2) transverse shifting part: with reference to Fig. 3 a, Fig. 3 b, Fig. 3 c.
As shown in Fig. 3 a, Fig. 3 c, described transverse shifting part comprises locking pliers chassis 409, support plate 407, the horizontal axis of guide 408, top shoe 417, latch segment 420, locking plate 422, locking screw mandrel 419, bolt 424, locking hand 421; Wherein:
On top shoe 417, be fixed with locking pliers chassis 409, below top shoe 417, be disposed with latch segment 420, locking plate 422.Support plate 407 is fixed on the top of sliding block 405, and on the support plate 407 taken the shape of the letter U, horizontal alignment is provided with two horizontal axis of guides 408, and the two ends, left and right of this horizontal axis of guide 408 form a fixed connection with the relative both sides of support plate 407 respectively.The upper and lower periphery of the horizontal axis of guide 408 is sliding combined with top shoe 417 and latch segment 420, and top shoe 417 and latch segment 420 can along the horizontal axis of guide 408 transverse shiftings.
Centered by bolt 424, in the bottom of top shoe 417 and the position corresponding with two horizontal axis of guides 408 is provided with two transversely arranged V-type grooves 4172 symmetrically, on the top of latch segment 420 and the position corresponding with two horizontal axis of guides 408 is provided with two L-type steps 4201 symmetrically; Two horizontal axis of guides are respectively through in two spaces formed between above-mentioned two V-type grooves and two L-type steps.
The structure realizing locking is: below latch segment 420, be provided with locking plate 422, be provided with perpendicular screwed hole in the center correspondence of the two, and the two links together by matching with above-mentioned perpendicular screwed hole by locking screw mandrel 419.Top shoe 417 and the latch segment 420 be positioned at below it and locking plate 422 from the top down successively through the center screw on the vertical counterbore on top shoe 417, locking screw mandrel 419, thus link together by bolt 424.Locking hand is radially connected to 421 on locking plate 422, and namely locking hand to be formed with the radial screw bore on locking plate 422 421 and is threaded.
During adjustment, top shoe 417 along above-mentioned two the horizontal axis of guide 408 transverse shiftings, and can drive latch segment 420 transverse shifting together; When arriving the position required, rotation lock hand, 421, can make locking plate 422 and latch segment 420 move up, and near top shoe 417, thus lock latch segment 420 and lock the position of whole transverse shifting part.
As shown in Figure 3 b, the rotation adjustment of workpiece clamping mechanism, is actually the rotation adjustment of its clamping part, mainly in order to meet the grinding needs of workpiece different angles arcwall face.Its structure realizing rotating adjustment is: locking pliers chassis 409 and the top shoe 417 be positioned at below it are linked together by central shaft 425.Locking pliers chassis 409 is provided with deep-slotted chip breaker, and the lower end of screw 423 is fixed on top shoe 417, and its upper end cover has pad and is pressed on the upper surface of the deep-slotted chip breaker on locking pliers chassis 409.Top shoe 417 is provided with dial 4171, and the range of degrees of this dial is 30 ° ~ 90 °.When rotating adjustment, locking pliers chassis 409 can be rotated around above-mentioned central shaft 425 and top shoe 417 does not rotate, and completes the rotation adjustment of clamping part.
(3) clamping part: with reference to Fig. 3 a, Fig. 3 b.
As shown in Figure 3 a, 3 b, described clamping part comprises locking pliers chassis 409, fixed caliper 413, moving caliper 414, screw 415, leading screw 416, turning handle 418; Wherein: turning handle 418 is arranged on the outer end of leading screw 416, the two ends of this leading screw are fixed on moving caliper 414, and position, intermediate portion threaded engagement has screw 415, and this screw is fixed on locking pliers chassis 409; Fixed caliper 413 is also fixed on locking pliers chassis 409.
During clamping, rotary motion handle 418, drives moving caliper 414 to move close to the V-block on fixed caliper 413 by leading screw 416, completes the clamping of workpiece.
(4) localization part: with reference to Fig. 3 a, Fig. 3 c.
As shown in Fig. 3 a, Fig. 3 c, described localization part comprises backstay 411, positioning seat 412, set lever 410.Wherein: positioning seat 412 is packed in the lateral surface of fixed caliper 413.Backstay 411 is vertically mounted in the centre bore of positioning seat 412.Set lever 410 is threaded in positioning seat 412, so that locking positioning bar 411.Its effect is: play the role of positioning; When Workpiece clamping, for the outer end of fixation workpiece.
The course of work of workpiece clamping mechanism is as follows:
When the straight arc-shaped surface of form grinding:
A, metal circular tube or bar are clamped between moving caliper and fixed caliper;
B, transverse shifting clamping part, aim at roll shaft center, then locks transverse shifting part;
C, vertically move overall clamping mechanism, feeding, grinding.
When the oblique arcwall face of form grinding:
A, metal circular tube or bar are clamped between moving caliper and fixed caliper;
The angle of inclination of b, adjustment workpiece clamping mechanism;
C, transverse shifting clamping part, aim at roll shaft center, then locks transverse shifting part;
D, vertically move overall clamping mechanism, feeding, grinding.
(6) dust arrester:
Described dust arrester comprises the dedusting box 601,602 of the below being arranged on two ends, left and right workbench, and this dedusting box is provided with the suction port be communicated with dust exhaust apparatus.Dedusting box and casing form Hermetical connecting structure, can reduce flour dust overflow, improve working environment.
(7) course of work of small-sized multi-functional belt sander of the present invention is as follows:
Electric motor starting, rotating forward, can grinding work piece chamfering deburring process on the abrasive band at abrasive belt wheel place, can also at the by-level part grinding plate type metal workpiece planarization in abrasive band.
Motor reversal, can go out the arc surface of metal circular tube or bar end by form grinding on the abrasive band at roll shaft place.Concrete steps are: be first clamped in workpiece clamping mechanism by metal circular tube or bar, again according to metal circular tube or the diameter of bar and the angle of length and arcwall face to be processed, change the roll shaft of respective diameters, longitudinally with the operating position laterally adjusting workpiece clamping mechanism, lock after mixing up.When grinding has the arc surface of different angles, the operating position of rotatable adjustment workpiece clamping mechanism, reaches the object of grinding different angles arc surface.
Motor adopts at a high speed, low speed two kinds of drive manners, to adapt to the requirement of the different grinding accuracy of surface of the work.Specifically, when grinding accuracy requires high workpiece, selection of Motor runs up; Otherwise, when grinding accuracy requires low workpiece or larger workpiece, selection of Motor low-speed running.
Claims (10)
1. a small-sized multi-functional belt sander, is characterized in that,
A, comprise body part (100), power section (200), roll shaft regulating mechanism (300), workpiece clamping mechanism (400), abrasive band tension mechanism (500), dust arrester (600) and electric control system (700); Wherein:
B, described roll shaft regulating mechanism (300) and the parts of power section (200) except motor are all arranged in casing (103) inner chamber; Described workpiece clamping mechanism (400) is arranged on casing one end near roll shaft; Described abrasive band tension mechanism (500) is arranged on the side of casing near motor;
C, described roll shaft regulating mechanism (300) comprise roller frames (301), roll shaft (304), bearing (303), adjustment screw assembly, two locking hands (311), adjustment bolt (302) and screw rod (309), lining (310) and Rectangular Spring (308); Wherein:
At the two ends of roll shaft (304), pair of bearings (303) is installed, this roll shaft adjusts by pair of bearings (303) and a pair one end that screw assembly is arranged on roller frames (301), the other end of this roller frames (301) is provided with and is connected with casing and as the screw rod (309) of its pivot point, the inner of this screw rod (309) is through after roller frames (301), be set with lining (310) and Rectangular Spring (308), and by nut check;
Inside the roller frames near roll shaft (304), outer end is provided with adjustment bolt (302), and the lower end of this adjustment bolt is threaded in roller frames (301); Described two locking hands are between the upper and lower every setting (311), and its inner formation with half circular shaft (313) being fixed on roller frames (301) inside middle portion is threaded; Zero line is carved with in one side of described roller frames (301), and the Vertical surveyors' staff scale be provided with casing coordinates to adjust and uses;
Described roller frames (301) one end is] shape, the other end is Γ shape; Roller frames (301) in] one end of shape, be arranged with a pair open trough (3011) of opening towards workpiece clamping mechanism, this open trough is horn-like and its bottom land is the arc surface matched with bearing (303) external form, and the lower surface of above-mentioned open trough is provided with perpendicular screwed hole;
Described adjustment screw assembly is made up of supporting screw (306), spring (307), steel ball (305), nut (312); Wherein: in the screwed hole in roller frames (301), be provided with supporting screw (306), spring (307) is housed in the endoporus of supporting screw and is locked in the uppermost steel ball of spring (305), the top of this steel ball protrudes from the lower surface of open trough (3011), and the outer circumference surface nestling up above-mentioned bearing (303) is arranged; After adjustment screw assembly mixes up position, by the height and position of nut (312) lock support screw (306).
2. small-sized multi-functional belt sander as claimed in claim 1, it is characterized in that, described workpiece clamping mechanism (400) comprises and vertically moves part, transverse shifting part, clamping part and localization part, wherein: vertically move part above be disposed with transverse shifting part, clamping part, localization part is arranged on the side of clamping part;
The described part that vertically moves comprises sliding block (405), the vertical axis of guide (406), rotating shaft (404), limited block (403), screw (402), pulls hand (401); Wherein: sliding block (405) interior horizontal alignment is provided with two longitudinal holes, run through in above-mentioned two longitudinal holes and have two vertical axis of guides (406); Limited block (403) is packed in the bottom of sliding block (405), and by being connected to screw (402) on limited block and pulling hand and the long slot bore (4011) in the middle of (401) formed to be rotatably assorted be connected, this is pulled the hand handle other end of (401) and is formed by rotating shaft and casing (103) and be rotationally connected; During adjustment, rotation pulls hand (401), with rotating shaft (404) for rotating fulcrum, drive limited block (403), sliding block (405) and the vertical axis of guide (406) to vertically move by screw (402), realize vertically moving of whole workpiece clamping mechanism;
Described transverse shifting part comprises support plate (407), the horizontal axis of guide (408), top shoe (417), latch segment (420), locking plate (422), locking hand (421), bolt (424); Wherein: support plate (407) is fixed on the top of sliding block (405), at the upper horizontal alignment of support plate (407), two horizontal axis of guides (408) are installed; The upper and lower periphery of the horizontal axis of guide (408) is sliding combined with top shoe (417) and latch segment (420); Latch segment (420) below by locking screw mandrel (419) be connected with locking plate (422), top shoe (417), latch segment (420) and locking plate (422) three link together by bolt (424), and locking hand is radially connected to (421) on locking plate (422); During adjustment, top shoe (417) along above-mentioned two the horizontal axis of guide (408) transverse shiftings, and can drive latch segment (420) transverse shifting together; When arriving the position required, rotation lock hand is (421), locking plate (422) and latch segment (420) can be made to move up, and near top shoe (417), thus lock above-mentioned latch segment (420) and lock the position of whole transverse shifting part.
3. small-sized multi-functional belt sander as claimed in claim 2, it is characterized in that, described clamping part comprises locking pliers body disc (409), fixed caliper (413), moving caliper (414), screw (415), leading screw (416), turning handle (418); Wherein: turning handle (418) is arranged on the outer end of leading screw (416), the two ends of this leading screw are fixed on moving caliper (414), position, intermediate portion threaded engagement has screw (415), and this screw is fixed on locking pliers body disc (409); Fixed caliper (413) is also fixed on locking pliers body disc (409); During clamping, rotary motion handle (418), drives moving caliper (414) to move to the V-block on fixed caliper (413) by leading screw (416), completes Workpiece clamping;
Described localization part comprises backstay (411), positioning seat (412), set lever (410); Wherein: positioning seat (412) is packed in the lateral surface of fixed caliper (413), backstay (411) is vertically mounted in the centre bore on positioning seat (412), set lever (410) is threaded on positioning seat (412), is convenient to locking positioning bar (411).
4. small-sized multi-functional belt sander as claimed in claim 3, it is characterized in that, the bottom of described top shoe (407) and the position corresponding with two horizontal axis of guides (408), be provided with two transversely arranged V-type grooves (4172) symmetrically; On the top of latch segment (420) and the position corresponding with two horizontal axis of guides, be provided with two transversely arranged L-type steps (4201) symmetrically, the above-mentioned horizontal axis of guide (408) is through in the space formed between V-type groove (4172) and L-type step (4201);
Be provided with locking plate (422) below described latch segment (420), be provided with perpendicular screwed hole in the center correspondence of the two, the two links together by matching with above-mentioned perpendicular screwed hole by locking screw mandrel (419); Top shoe (417) and the latch segment (420) be positioned at below it and locking plate (422) from the top down successively through the center screw in the vertical counterbore on top shoe (417), locking screw mandrel (419), thus link together by bolt (424); Locking hand forms (421) and is threaded with the radial screw bore on locking plate (422).
5. small-sized multi-functional belt sander as claimed in claim 4, is characterized in that, described top shoe (417) is linked together by central shaft (425) with the locking pliers chassis (409) being located thereon face; Locking pliers chassis (409) is provided with deep-slotted chip breaker, and the lower end of screw (423) is fixed on top shoe (417), and its upper end cover has pad and is pressed on the upper surface of the deep-slotted chip breaker on locking pliers chassis (409); Top shoe (417) is provided with dial (4171), and the range of degrees of this dial (4171) is 30 ° ~ 90 °; When rotating adjustment, locking pliers chassis (409) can rotate around above-mentioned central shaft (425) and top shoe (417) does not rotate, and realize the rotation adjustment of clamping part.
6. small-sized multi-functional belt sander as claimed in claim 5, it is characterized in that, described abrasive band tension mechanism (500) comprises rotating shaft (501), motor cabinet (502), screw bolt seat (503), screw rod (504), spring (505), adjustment handwheel (506), nut (507), screw fixed axis (509), screw (510); Wherein: the outer end of described screw rod (504) is provided with adjustment handwheel (506), its the inner is set with screw bolt seat (503), spring (505), is respectively installed with packing ring (508) at the two ends of screw rod (504); The two ends of this spring and screw bolt seat are respectively by a nut (507) latched position; Screw bolt seat (503) is radially relatively set with a pair unthreaded hole, pair of screws (511,512) the inner is stretched in above-mentioned a pair unthreaded hole, and this to be formed with the ear seat (5021) on motor cabinet (502) the outer end of screw and is threaded; Be set with screw (510) in the middle part of screw rod (504), screw is fixed on casing by screw fixed axis (509); During tensioning adjustment, rotate adjustment handwheel (506), be connected by the threaded engagement of screw rod (504) with screw (510), motor cabinet (502) can be made and be arranged on motor on motor cabinet and the abrasive belt wheel that is arranged on motor shaft around the rotating shaft be arranged on body (501) positive and negative rotation, realize the adjustment of the spacing of abrasive belt wheel and roll shaft and the tensioning in abrasive band or loose.
7. small-sized multi-functional belt sander as claimed in claim 6, it is characterized in that, described power section (200) comprises motor (201), the abrasive belt wheel (202) be located on motor output shaft, roll shaft (304) away from motor, abrasive band (203) and one end are fixed on optical axis (204) on casing; Wherein: abrasive band (203) are in transmission connection abrasive belt wheel (202) and roll shaft (304), the two ends in this abrasive band are wrapped on abrasive belt wheel and roll shaft respectively, and the mid portion in its abrasive band walks around the upper arc surface of above-mentioned optical axis (204); Described motor (201) is to realize high speed, the rotating forward of low speed, the double-speed motor of reverse function.
8. small-sized multi-functional belt sander as claimed in claim 7, is characterized in that, workbench (1031) top near roll shaft (304) one end is provided with transparent goggle (1033); Top near motor (201) one end workbench is provided with the protective cover (1032) that upwards can overturn and open, overturn closedown downwards; Be in the upper cover plate (1035) being provided with above the middle abrasive band part of level and can opening and closing.
9. small-sized multi-functional belt sander as claimed in claim 8, it is characterized in that, described body part (100) comprises base (101), pillar (102), casing (103), three fixes as one structure, wherein: pillar (102) is provided with the hanger (1021) for placing multiple roll shaft, baffle plate (1022) is provided with bottom at hanger (1021); Electric control system (700) is provided with in pillar (102) inner chamber; The side cover plate (1034) that can overturn and open, close locking is provided with in the front side of casing (103).
10. small-sized multi-functional belt sander as claimed in claim 9, it is characterized in that, described dust arrester (600) comprises the dedusting box (601,602) be arranged at below tank ends workbench, and this dedusting box is communicated with dust exhaust apparatus by suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110264597.7A CN102990494B (en) | 2011-09-08 | 2011-09-08 | Small multifunction belt sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110264597.7A CN102990494B (en) | 2011-09-08 | 2011-09-08 | Small multifunction belt sander |
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| Publication Number | Publication Date |
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| CN102990494A CN102990494A (en) | 2013-03-27 |
| CN102990494B true CN102990494B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110264597.7A Expired - Fee Related CN102990494B (en) | 2011-09-08 | 2011-09-08 | Small multifunction belt sander |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382659A (en) * | 2015-11-24 | 2016-03-09 | 宁波创二代机械科技有限公司 | Automatic grinding machine |
| CN107344314A (en) * | 2017-08-11 | 2017-11-14 | 安徽池州伟舜机电有限公司 | A kind of workpiece clamping mechanism of abrasive belt grinding machine |
| CN107398804A (en) * | 2017-08-11 | 2017-11-28 | 安徽池州伟舜机电有限公司 | A kind of abrasive belt grinding machine |
| CN107756199B (en) * | 2017-11-08 | 2023-10-27 | 石家庄博欧金属制品有限公司 | Union nut surface grinding machine |
| CN108044460B (en) * | 2017-12-29 | 2024-05-14 | 上海君屹工业自动化股份有限公司 | Post-welding grinding device and intelligent post-welding grinding system |
| CN112720126B (en) * | 2021-01-08 | 2022-08-19 | 南丰县致诚科技有限公司 | Surface fine grinding device based on PS plate production |
| CN116330071A (en) * | 2023-05-29 | 2023-06-27 | 河北工程技术学院 | Concrete wall grinding device with angle adjusting function for decoration construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357714A (en) * | 1993-04-02 | 1994-10-25 | Almi Machinefabriek Bv | Apparatus for shaping the ends of tubular workpieces with recesses of different diameters |
| CN1663743A (en) * | 2004-01-06 | 2005-09-07 | 穆尔蒂工具有限公司 | Belt sander for pipe end grinding |
| CN2818070Y (en) * | 2005-06-15 | 2006-09-20 | 余敏守 | Pipe mouth opener |
| US7621800B1 (en) * | 2008-09-13 | 2009-11-24 | J & T Machinery Co., Ltd. | Belt grinding machine with a belt adjusting device |
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2011
- 2011-09-08 CN CN201110264597.7A patent/CN102990494B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357714A (en) * | 1993-04-02 | 1994-10-25 | Almi Machinefabriek Bv | Apparatus for shaping the ends of tubular workpieces with recesses of different diameters |
| CN1663743A (en) * | 2004-01-06 | 2005-09-07 | 穆尔蒂工具有限公司 | Belt sander for pipe end grinding |
| CN2818070Y (en) * | 2005-06-15 | 2006-09-20 | 余敏守 | Pipe mouth opener |
| US7621800B1 (en) * | 2008-09-13 | 2009-11-24 | J & T Machinery Co., Ltd. | Belt grinding machine with a belt adjusting device |
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